Home / 162,024.05-243,151.81-72,090.97

Finding the Fourth Proportional to 162,024.05, 243,151.81 and 72,090.97

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Solution

The fourth proportional to 162,024.05, 243,151.81 and 72,090.97 is: 108,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,024.05 : 243,151.81 = 72,090.97 : x
  2. Step 2: Convert to fraction form
    162,024.05/243,151.81 = 72,090.97/x
  3. Step 3: Cross multiply
    162,024.05x = 243,151.81 × 72,090.97
  4. Step 4: Simplify right side
    162,024.05x = 17,529,049,052.05
  5. Step 5: Solve for x
    x = 17,529,049,052.05/162,024.05
  6. Step 6: Final answer
    x = 108,187.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.